Measurements:
°C
°F
CURRENT WEATHER
05:11
Portsmouth
8°F
SE 12 mph
Feels like: -10°F
Precip: 0%
World Resorts USA Portsmouth

Annual Weather

Portsmouth Air Temperature, °F

Precipitation Totals, in

Rainy Days During the Year

Average Wind Speed, mph
Sunny, Cloudy and Gloomy Days
Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart.

Best Time to Visit Portsmouth
The most sunny months:
November 15 days
September 13 days
October 12 days
The most warm months:
July 81.1 °F
August 79.6 °F
June 74.7 °F
Warmest sea temperature:
August 67.0 °F
July 64.9 °F
September 63.8 °F
The most cold months:
January 32.1 °F
February 32.9 °F
December 38.3 °F
The most rainy months:
December 3 days
July 3 days
April 3 days
The most windy months:
March 10 mph
February 9 mph
December 9 mph
more details

Portsmouth on the Weather Map

USA Resorts:
NAME
F°
Boston +10
Chicago +20
Hawaii +78
Honolulu +78
Houston +46
Las Vegas +50
Los Angeles +54
Miami +62
New York +16
Orlando +50
San Diego +54
San Francisco +54
Sarasota +48
Tampa +46
Washington +20
all resorts
24 Hours Weather Forecast
Portsmouth
Local time: 05:11
22 dec, sunday
0600 8°F
SE
12 mph
0900 8°F
SE
10 mph
1200 16°F
SE
8 mph
1500 20°F
SE
8 mph
1800 20°F
SE
6 mph
2100 14°F
SE
6 mph
23 dec, monday
0000 10°F
SE
5 mph
0300 10°F
SE
4 mph